Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIGS. 1-6 show portions of an upper and the sole in broken lines. The upper and sole portions shown in broken lines are shown for environmental purposes and do not form any part of the claimed design.

The broken lines closest to the solid line contours throughout the views define the boundary of the design, with the broken lines forming no part of the claim. The circular aperture shown in FIGS. 1 & 2 forms an additional boundary, where the interior surface forms no part of the claim. 

The ornamental design for footwear sole, as shown and described. 